Home / 56,439.72-84,661.32-16,997.12

Finding the Fourth Proportional to 56,439.72, 84,661.32 and 16,997.12

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Solution

The fourth proportional to 56,439.72, 84,661.32 and 16,997.12 is: 25,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.72 : 84,661.32 = 16,997.12 : x
  2. Step 2: Convert to fraction form
    56,439.72/84,661.32 = 16,997.12/x
  3. Step 3: Cross multiply
    56,439.72x = 84,661.32 × 16,997.12
  4. Step 4: Simplify right side
    56,439.72x = 1,438,998,615.40
  5. Step 5: Solve for x
    x = 1,438,998,615.40/56,439.72
  6. Step 6: Final answer
    x = 25,496.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.